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This adds the v1 lease controller

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This refactors the v1 lease controller. It makes two functional differences
to the lease controller:
* It no longer ties lease updates to node pings or node status updates
* There is no fallback mechanism to status updates

This also moves vk_envtest, allowing for future brown-box testing of the
lease controller with envtest
This commit is contained in:
Sargun Dhillon
2020-12-07 10:37:17 -08:00
parent 8affa1c42a
commit 735eb34829
10 changed files with 525 additions and 366 deletions
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8
node/nodeutil/client.go
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@@ -9,7 +9,7 @@ import (
"k8s.io/apimachinery/pkg/fields"
kubeinformers "k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/typed/coordination/v1beta1"
coordclientset "k8s.io/client-go/kubernetes/typed/coordination/v1"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
)
@@ -57,9 +57,9 @@ func PodInformerFilter(node string) kubeinformers.SharedInformerOption {
})
}
// NodeLeaseV1Beta1Client creates a v1beta1 Lease client for use with node leases from the passed in client.
// NodeLeaseV1Client creates a V1 Lease client for use with node leases from the passed in client.
//
// Use this with node.WithNodeEnableLeaseV1Beta1 when creating a node controller.
func NodeLeaseV1Beta1Client(client kubernetes.Interface) v1beta1.LeaseInterface {
return client.CoordinationV1beta1().Leases(corev1.NamespaceNodeLease)
func NodeLeaseV1Client(client kubernetes.Interface) coordclientset.LeaseInterface {
return client.CoordinationV1().Leases(corev1.NamespaceNodeLease)
}